简化vuex中多余的permission数据

因扁平化后的permission数据只在router中使用，故在vuex中删除了该数据，改用变量代替。

建议将有必要的数据都放在每个路由的meta信息中，以保证在今后页面跳转时能够获取到该信息

src/router/index.js

@@ -8,13 +8,16 @@ import store from '../store'
 import staticRoute from './staticRoute'
 import whiteList from './whiteList'
 
+var permissionList = []
+
 function initRoute(router){
     return new Promise((resolve) => {
-        if(store.state.auth.permissionList.length == 0){
+        if(permissionList.length == 0){
             console.log("没有权限数据，正在获取")
             store.dispatch('auth/getNavList').then(() => {
                 store.dispatch('auth/getPermissionList').then((res) => {
                     console.log("权限列表生成完毕")
+                    permissionList = res
                     res.forEach(function(v){
                         let routeItem = router.match(v.path)
                         if(routeItem){
@@ -61,7 +64,7 @@ router.beforeEach((to, from, next) => {
             initRoute(router).then(() => {
                 let isPermission = false
                 console.log("进入权限判断")
-                store.state.auth.permissionList.forEach((v) => {
+                permissionList.forEach((v) => {
                     // 判断跳转的页面是否在权限列表中
                     if(v.path == to.fullPath){
                         isPermission = true

src/store/modules/auth/index.js

@@ -4,19 +4,14 @@ import Auth from '@/util/auth'
 
 const state = {
     token: '',
-    navList: [],
-    permissionList: []
+    navList: []
 }
 
 const mutations = {
     setNavList: (state, data) => {
         state.navList = data
     },
 
-    setPermissionList: (state, data) => {
-        state.permissionList = data
-    },
-
     setToken: (state, data) => {
         if(data){
             Auth.setToken(data)
@@ -53,7 +48,6 @@ const actions = {
     logout({commit}) {
         return new Promise((resolve) => {
             commit('setToken', '')
-            commit('setPermissionList', [])
             commit('user/setName', '', { root: true })
             commit('tagNav/removeTagNav', '', {root: true})
             resolve()
@@ -110,7 +104,7 @@ const actions = {
     },
 
     // 将菜单列表扁平化形成权限列表
-    getPermissionList({commit, state}){
+    getPermissionList({state}){
         return new Promise((resolve) =>{
             let permissionList = []
             // 将菜单数据扁平化为一级
@@ -124,7 +118,6 @@ const actions = {
                 }
             }
             flatNavList(state.navList)
-            commit("setPermissionList", permissionList)
             resolve(permissionList)
         })
     }